Velo3D, Inc. Quarterly report [Sections 13 or 15(d)]

Basic and Diluted Net Loss per Share - Potentially Dilutive Securities Excluded from Computation (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive common stock equivalents (in shares)	2,168,037	1,005,498	2,168,037	1,005,498
Common stock warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive common stock equivalents (in shares)	11,986	36,892	11,986	36,892
Common stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive common stock equivalents (in shares)	968,488	4,247	968,488	4,247
Restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive common stock equivalents (in shares)	1,187,563	964,359	1,187,563	964,359